20809636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2711}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 38727360

約数和(自身を除く): 17917724

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2711, 3838, 5422, 7676, 10844, 51509, 103018, 206036, 273811, 547622, 1095244, 5202409, 10404818, 20809636]

約数ペア:

[(1, 20809636), (2, 10404818), (4, 5202409), (19, 1095244), (38, 547622), (76, 273811), (101, 206036), (202, 103018), (404, 51509), (1919, 10844), (2711, 7676), (3838, 5422)]